Ornis Fennica 96: 153–168. 2019 Contrasting population trends of Common Starlings (Sturnus vulgaris) across Europe Henning Heldbjerg*, Anthony D. Fox, Aleksi Lehikoinen, Peter Sunde, Ainars Aunins, Dawn E. Balmer, Gianpiero Calvi, Tomasz Chodkiewicz, Przemek Chylarecki, Virginia Escandell, Ruud Foppen, Anna Gamero, Iordan Hristov, Magne Husby, Frederic Jiguet, Primo Kmecl, John A. Kålås, Lesley J. Lewis, Åke Lindström, Charlotte Moshøj, Renno Nellis, Jean-Y. Paquet, Danae Portolou, Jozef Ridzoò, Hans Schmid, Jana Skorpilová, Zoltán D. Szabó, Tibor Szép, Norbert Teufelbauer, Sven Trautmann, Chris van Turnhout, Zdenìk Vermouzek, Petr Voøíšek & Anne Weiserbs H. Heldbjerg, A.D. Fox & P. Sunde, Department for Bioscience, Aarhus University, Grenåvej 14, 8410 Rønde, Denmark. * Corresponding author’s e-mail:
[email protected] H. Heldbjerg & Charlotte Moshøj, DOF BirdLife Denmark, Vesterbrogade 140, 1620 Copenhagen, Denmark A. Aunins, Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia; Jelgavas Street 1, Riga, LV-1004, Latvia and Latvian Ornithological Society, Skolas iela 3, Riga, LV-1010, Latvia D.E. Balmer, British Trust for Ornithology, The Nunnery, Thetford, Norfolk, IP24 2PU, UK G. Calvi, Italian Common Breeding Bird Monitoring Programme, Studio Pteryx, Via Risorgimento 9, 20060 Basiano, Italy T. Chodkiewicz, Museum & Institute of Zoology, Polish Academy of Sciences, Wilcza 64, 00-679 Warszawa, Poland and Polish Society for the Protection of Birds (OTOP), ul. Odrowaza 24, 05-270 Marki, Poland P. Chylarecki, Museum